MESON Chess Problem Database
Problem Display
PID: 208110 (4Nn1b/4B3/2pRB2p/1bp1k3/pN1rPp2/P2p4/3K4/4R1Q1 w - - 0 1)
Babson, Joseph Ney
Dubuque Chess Journal, 1874
#2
10 + 11
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxb4
- 2.Qxc5#
- 1...Rc4
- 2.Sxd3#
- 1...Rxe4
- 2.Qxc5#
- 1...Rd5
- 2.exd5#
- 1...Bc4
- 2.Sxc6#
- 1...Ba6
- 2.Sxc6#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...f3
- 2.Qh2#
- 2.Qg3#
- 1...cxb4
- 2.Qxd4#
- 1...c4
- 2.Qxd4#
- 1...h5
- 2.Qg5#
- 1...Rxb4
- Tries
- 1.Ba2?
- 1...Rxb4
- 2.Qxc5#
- 1...Rxe4
- 2.Qxc5#
- 1...Rxd6
- 2.Bxd6#
- 1...cxb4
- 2.Qxd4#
- 1...f3
- 2.Qh2#
- 2.Qg3#
- 1...Rc4
- 2.Sxd3#
- 1...Bc4
- 2.Sxc6#
- 1...Ba6
- 2.Sxc6#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Se6
- 2.Rxe6#
- 1...Sg6
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...c4
- 2.Qxd4#
- 1...h5
- 2.Qg5#
- 1...Rd5!
- 1...Rxb4
- 1.Bc4?
- 1...Rxc4
- 2.Sxd3#
- 1...Rxe4
- 2.Qxc5#
- 1...Rxd6
- 2.Bxd6#
- 1...Bxc4
- 2.Sxc6#
- 1...cxb4
- 2.Qxd4#
- 1...f3
- 2.Qh2#
- 2.Qg3#
- 1...Ba6
- 2.Sxc6#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Se6
- 2.Rxe6#
- 1...Sg6
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...h5
- 2.Qg5#
- 1...Rd5!
- 1...Rxc4
- 1.Bd7?
- 1...Rxb4
- 2.Qxc5#
- 1...Rxe4
- 2.Qxc5#
- 1...Rxd6
- 2.Bxd6#
- 1...cxb4
- 2.Qxd4#
- 1...f3
- 2.Qh2#
- 2.Qg3#
- 1...Rd5
- 2.exd5#
- 1...Rc4
- 2.Sxd3#
- 1...Bc4
- 2.Sxc6#
- 1...Ba6
- 2.Sxc6#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Se6
- 2.Rxe6#
- 1...Sg6
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...c4
- 2.Qxd4#
- 1...h5
- 2.Qg5#
- 1...Sxd7!
- 1...Rxb4
- 1.Bf7?
- 1...Rxb4
- 2.Qxc5#
- 1...Rxe4
- 2.Qxc5#
- 1...Rxd6
- 2.Bxd6#
- 1...cxb4
- 2.Qxd4#
- 1...f3
- 2.Qh2#
- 2.Qg3#
- 1...Rc4
- 2.Sxd3#
- 1...Bc4
- 2.Sxc6#
- 1...Ba6
- 2.Sxc6#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Se6
- 2.Rxe6#
- 1...Sg6
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...c4
- 2.Qxd4#
- 1...h5
- 2.Qg5#
- 1...Rd5!
- 1...Rxb4
- 1.Bc8?
- 1...Rxb4
- 2.Qxc5#
- 1...Rxe4
- 2.Qxc5#
- 1...Rxd6
- 2.Bxd6#
- 1...cxb4
- 2.Qxd4#
- 1...f3
- 2.Qh2#
- 2.Qg3#
- 1...Rd5
- 2.exd5#
- 1...Rc4
- 2.Sxd3#
- 1...Bc4
- 2.Sxc6#
- 1...Ba6
- 2.Sxc6#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Se6
- 2.Rxe6#
- 1...Sg6
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...c4
- 2.Qxd4#
- 1...h5
- 2.Qg5#
- 1...Sd7!
- 1...Rxb4
- 1.Bg8?
- 1...Rxb4
- 2.Qxc5#
- 1...Rxe4
- 2.Qxc5#
- 1...Rxd6
- 2.Bxd6#
- 1...cxb4
- 2.Qxd4#
- 1...f3
- 2.Qh2#
- 2.Qg3#
- 1...Rc4
- 2.Sxd3#
- 1...Bc4
- 2.Sxc6#
- 1...Ba6
- 2.Sxc6#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Se6
- 2.Rxe6#
- 1...Sg6
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...c4
- 2.Qxd4#
- 1...h5
- 2.Qg5#
- 1...Rd5!
- 1...Rxb4
- 1.Ba2?
- Keys
- 1.Bh3!
- 1...Rxb4
- 2.Qxc5#
- 1...Rxe4
- 2.Qxc5#
- 1...Rxd6
- 2.Bxd6#
- 1...cxb4
- 2.Qxd4#
- 1...f3
- 2.Qh2#
- 2.Qg3#
- 1...Rd5
- 2.exd5#
- 1...Rc4
- 2.Sxd3#
- 1...Bc4
- 2.Sxc6#
- 1...Ba6
- 2.Sxc6#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Se6
- 2.Rxe6#
- 1...Sg6
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...c4
- 2.Qxd4#
- 1...h5
- 2.Qg5#
- 1...Rxb4
- 1.Bh3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(c);OGATE,XS(E)::QAR2(B),XP(f)
- R(c);N_GUARD,S_CUTB(e)::S(E),XP(a)
- R(c);OGATE,P_SPINR(c),XP(F)::QAR2(B),XP(f)
- R(c);OGATE::R(A)+P(F),XR(c)
- B(e);N_GUARD::S(E),XP(h)
- B(k);N_GUARD::B(I),XB(k)
- B(k);N_GUARD::QAB(B),XB(k)
- P(f);N_GUARD,XS(E)::QAB1(B),XR(c)
- P(f);N_GUARD::QAB1(B),XR(c)
- P(i);N_GUARD::QAR2(B)
- Tries
- Try
- B(H);
- Vars
- R(c);OGATE,XS(E)::QAR2(B),XP(f)
- R(c);OGATE,P_SPINR(c),XP(F)::QAR2(B),XP(f)
- R(c);OGATE,XR(G)::B(I),XR(c)
- P(f);N_GUARD,XS(E)::QAB1(B),XR(c)
- R(c);N_GUARD,S_CUTB(e)::S(E),XP(a)
- B(e);N_GUARD::S(E),XP(h)
- B(k);N_GUARD::B(I),XB(k)
- B(k);N_GUARD::QAB(B),XB(k)
- S(j);N_GUARD::R1(G),XS(j)
- S(j);N_GUARD::R1(G)
- P(f);N_GUARD::QAB1(B),XR(c)
- P(i);N_GUARD::QAR2(B)
- Refutation
- R(c);
- Try
- B(H);
- Vars
- R(c);N_GUARD,XB(H)::S(E),XP(a)
- R(c);OGATE,P_SPINR(c),XP(F)::QAR2(B),XP(f)
- R(c);OGATE,XR(G)::B(I),XR(c)
- B(e);N_GUARD,XB(H)::S(E),XP(h)
- P(f);N_GUARD,XS(E)::QAB1(B),XR(c)
- B(e);N_GUARD::S(E),XP(h)
- B(k);N_GUARD::B(I),XB(k)
- B(k);N_GUARD::QAB(B),XB(k)
- S(j);N_GUARD::R1(G),XS(j)
- S(j);N_GUARD::R1(G)
- P(i);N_GUARD::QAR2(B)
- Refutation
- R(c);
- Try
- B(H);
- Vars
- R(c);OGATE,XS(E)::QAR2(B),XP(f)
- R(c);OGATE,P_SPINR(c),XP(F)::QAR2(B),XP(f)
- R(c);OGATE,XR(G)::B(I),XR(c)
- P(f);N_GUARD,XS(E)::QAB1(B),XR(c)
- R(c);OGATE::R(A)+P(F),XR(c)
- R(c);N_GUARD,S_CUTB(e)::S(E),XP(a)
- B(e);N_GUARD::S(E),XP(h)
- B(k);N_GUARD::B(I),XB(k)
- B(k);N_GUARD::QAB(B),XB(k)
- S(j);N_GUARD::R1(G),XS(j)
- S(j);N_GUARD::R1(G)
- P(f);N_GUARD::QAB1(B),XR(c)
- P(i);N_GUARD::QAR2(B)
- Refutation
- S(j);XB(H)
- Try
- B(H);
- Vars
- R(c);OGATE,XS(E)::QAR2(B),XP(f)
- R(c);OGATE,P_SPINR(c),XP(F)::QAR2(B),XP(f)
- R(c);OGATE,XR(G)::B(I),XR(c)
- P(f);N_GUARD,XS(E)::QAB1(B),XR(c)
- R(c);N_GUARD,S_CUTB(e)::S(E),XP(a)
- B(e);N_GUARD::S(E),XP(h)
- B(k);N_GUARD::B(I),XB(k)
- B(k);N_GUARD::QAB(B),XB(k)
- S(j);N_GUARD::R1(G),XS(j)
- S(j);N_GUARD::R1(G)
- P(f);N_GUARD::QAB1(B),XR(c)
- P(i);N_GUARD::QAR2(B)
- Refutation
- R(c);
- Try
- B(H);
- Vars
- R(c);OGATE,XS(E)::QAR2(B),XP(f)
- R(c);OGATE,P_SPINR(c),XP(F)::QAR2(B),XP(f)
- R(c);OGATE,XR(G)::B(I),XR(c)
- P(f);N_GUARD,XS(E)::QAB1(B),XR(c)
- R(c);OGATE::R(A)+P(F),XR(c)
- R(c);N_GUARD,S_CUTB(e)::S(E),XP(a)
- B(e);N_GUARD::S(E),XP(h)
- B(k);N_GUARD::B(I),XB(k)
- B(k);N_GUARD::QAB(B),XB(k)
- S(j);N_GUARD::R1(G),XS(j)
- S(j);N_GUARD::R1(G)
- P(f);N_GUARD::QAB1(B),XR(c)
- P(i);N_GUARD::QAR2(B)
- Refutation
- S(j);
- Try
- B(H);
- Vars
- R(c);OGATE,XS(E)::QAR2(B),XP(f)
- R(c);OGATE,P_SPINR(c),XP(F)::QAR2(B),XP(f)
- R(c);OGATE,XR(G)::B(I),XR(c)
- P(f);N_GUARD,XS(E)::QAB1(B),XR(c)
- R(c);N_GUARD,S_CUTB(e)::S(E),XP(a)
- B(e);N_GUARD::S(E),XP(h)
- B(k);N_GUARD::B(I),XB(k)
- B(k);N_GUARD::QAB(B),XB(k)
- S(j);N_GUARD::R1(G),XS(j)
- S(j);N_GUARD::R1(G)
- P(f);N_GUARD::QAB1(B),XR(c)
- P(i);N_GUARD::QAR2(B)
- Refutation
- R(c);
- Try
- Actual
- B(H);
- Vars
- R(c);OGATE,XS(E)::QAR2(B),XP(f)
- R(c);OGATE,P_SPINR(c),XP(F)::QAR2(B),XP(f)
- R(c);OGATE,XR(G)::B(I),XR(c)
- P(f);N_GUARD,XS(E)::QAB1(B),XR(c)
- R(c);OGATE::R(A)+P(F),XR(c)
- R(c);N_GUARD,S_CUTB(e)::S(E),XP(a)
- B(e);N_GUARD::S(E),XP(h)
- B(k);N_GUARD::B(I),XB(k)
- B(k);N_GUARD::QAB(B),XB(k)
- S(j);N_GUARD::R1(G),XS(j)
- S(j);N_GUARD::R1(G)
- P(f);N_GUARD::QAB1(B),XR(c)
- P(i);N_GUARD::QAR2(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).